:root {
  --bg: #0f172a;
  --panel: #111827;
  --panel-2: #1f2937;
  --text: #f8fafc;
  --muted: #94a3b8;
  --primary: #2563eb;
  --danger: #dc2626;
  --success: #16a34a;
  --border: #334155;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: linear-gradient(135deg, #0f172a, #111827 55%, #1e293b);
  color: var(--text);
}

.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 24px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
  padding: 24px;
}

.admin-layout {
  grid-template-columns: 1fr;
}

.card {
  background: rgba(17, 24, 39, 0.92);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 12px 36px rgba(0,0,0,0.24);
}

.login-card { max-width: 440px; width: 100%; }
.main-card { min-height: 320px; }
.sidebar-card { min-height: 320px; }

h1, h2, h3 { margin-top: 0; }
.muted { color: var(--muted); }
.badge {
  display: inline-block;
  background: rgba(37, 99, 235, 0.18);
  color: #bfdbfe;
  border: 1px solid rgba(96, 165, 250, 0.35);
  border-radius: 999px;
  padding: 2px 8px;
  font-size: 12px;
  margin-left: 6px;
}

.form-grid {
  display: grid;
  gap: 14px;
}
label span { display: block; margin-bottom: 6px; }
input[type="text"],
input[type="password"] {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
}

button, .button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 16px;
  border-radius: 10px;
  border: 1px solid transparent;
  background: var(--primary);
  color: white;
  text-decoration: none;
  cursor: pointer;
  font-weight: 600;
}
button.secondary, .button.secondary { background: #374151; }
button.danger, .button.danger { background: var(--danger); }
button:disabled { opacity: 0.6; cursor: not-allowed; }
.top-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.button-row { display: flex; gap: 12px; flex-wrap: wrap; margin: 22px 0; }
.status-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
}
.info-box {
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
  border-radius: 12px;
  padding: 16px;
}
.alert {
  padding: 12px 14px;
  border-radius: 10px;
  margin-bottom: 14px;
}
.alert.error { background: rgba(220, 38, 38, 0.16); border: 1px solid rgba(220, 38, 38, 0.38); }
.alert.success { background: rgba(22, 163, 74, 0.16); border: 1px solid rgba(22, 163, 74, 0.38); }
.user-list { display: grid; gap: 10px; }
.user-item {
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
  border-radius: 12px;
  padding: 12px;
}
.user-item.self { outline: 1px solid rgba(96, 165, 250, 0.5); }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td {
  text-align: left;
  padding: 12px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  vertical-align: top;
}
.action-stack { display: grid; gap: 8px; }
.inline-form {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}
.inline-label {
  display: flex;
  align-items: center;
  gap: 10px;
}

@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
}